释义 |
lever shears lever shears[′lev·ər ‚shirz] (design engineering) A shears in which the input force at the handles is related to the output force at the cutting edges by the principle of the lever. Also known as alligator shears; crocodile shears. alligator shears, lever shearsWide-jawed shears, resembling the jaws of an alligator, used to cut sheets of metal; operated by a foot lever. |